Wuhan Anji Taineng Environmental Sci-Tech Co., Ltd
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Potassium lignosulfonate is used as cement grinding aid
Potassium lignosulfonate
Potassium lignosulfonate is a yellow powder solid processed by the production technology, which is easily dissolved in water. It is a polymer electrolyte with a molecular weight ranging from 1000 to 100000. Among them, the dispersion of 10,000-40,000 is particularly effective, and the ordinary lignin sulfonate, which has a branched and cross-linked molecular structure, is a high-quality cement grinding agent, after a lot of experiments and practices, has been widely used in cement plants.
The main application of potassium lignosulfonate in cement grinding aid:
Potassium lignosulfonate is an ultra-fine brown powder, soluble in water without residue, potassium lignosulfonate can be used as a grinding aid for cement. Potassium linosulfonate is an anionic surfactant, they by adding two kinds of non-ionic surfactants, compound into a composite grinding aid, applied to different cement mills in cement plants, different varieties of clinker consumption of about 18%, and will not cause corrosion of steel bars.
| NO | Index items | Standard value | Test Results |
| 1 | Appearance外观 | Yellow Brown powder | Meets the requirement |
| 2 | PH ValuePH值 | 4-6 | 5.5 |
| 3 | Dry matter干物质 | 93%min | 94 |
| 4 | Moisture水份 | 4.5％max | 4.0 |
| 5 | Water insoluble matter 水不溶物 | 1.5% max | 1.0 |
| 6 | TOC 有机质 | 80%min | 81 |
| 7 | Total reducing matter 还原糖 | 6-9% max | 6.4 |
| 8 | Lignosulphonate 木质素 | 65%min | 67.2% |
| 9 | Potassium 钾含量
| 8-12 | 10.33 |
Potassium lignosulfonate as cement grinding aid can produce economic benefits. In the application of grinding AIDS, any technology contains certain economic benefits. During the cement sales season, the price of cement is high and the payback is fast, and increasing the cement production with the grinding agent is to increase the profit, especially in the area with a large amount of winter clinker, the profit is more considerable. In most cases, the use of cement grinding AIDS can improve the dispersion and fluidity of cement powder, in addition to improving the grinding efficiency of the mill can also improve the conveying capacity of the pipeline and the loading and unloading speed of bulk cement, which is particularly important when the water is transported, it will shorten the docking time and reduce dock costs. In the case of power rationing, the mill grinding efficiency is improved, more cement can be produced with the same power, and the same cement output can be used with a shorter grinding time, making it possible to avoid peak electricity consumption.
Potassium lignosulfonate used as cement grinding aid can produce energy saving and environmental benefits. With the development of China's economy, coal, electricity, oil and other energy prices not only rising year after year, and supply is tight, cement enterprises generally face the upward pressure of coal and electricity supply costs. In order to reduce the energy consumption and emissions of atmospheric pollutants in China's cement industry products, the clinker content in China's cement without the use of grinding AIDS is calculated at an average proportion of 65%, and it is possible to use an average of 10% less clinker (6.5 percentage points) in cement production through the use of grinding AIDS, so that each ton of cement can use 0.065 tons less clinker. Similarly, if the grinding aid is not used to reduce the clinker in the cement but to improve the grinding efficiency, then when the grinding efficiency is increased by 10%, according to the comprehensive power consumption of cement 37 KWH per ton, the annual electricity can also save nearly 5 billion KWH, and the pollutant emission reduction caused by coal and electricity saving is also easy to calculate.
It can be seen from the above that the benefits brought by the use of grinding AIDS are many, not only to reduce the clinker one, the benefits generated are not only the difference between the clinker and the mixture. However, for an enterprise, it is impossible to obtain all the above benefits at the same time, and it can only be flexibly mastered through the efforts of the enterprise itself, combined with the actual production, sales situation and energy supply and other environmental factors, so that the role of cement grinding agents can be played to the maximum
Package and Storage:
1, Packaging: lined with plastic film external polypropylene woven bag packaging,25kg/ bag.
2, storage: stored in a dry and ventilated place, should pay attention to moisture-proof. Long-term storage does not deteriorate, such as caking, crushing or dissolution will not affect the use effect.
3. Transportation: This product is a non-flammable and explosive dangerous goods. The use of road, rail transport can be
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